Xx max max mestern



(No Model.)

M. MESTERN.

THERMO ELECTRIC ELEMENT.

PatentedDeo. 19,1893.

@Mann Starace Parana @risica MAX MESTERN, or TURIN, ITALY, AssGNoR 'fro THE' THERMO-ELECTRIC COMPANY, oF WEST VIRGINIA.4 Y Y THERMsELECTRlC ELEMENT. j

SPE6IFGATION forming part of LetterAPatent No. 511,245,6.ated December 19, 11893.

' sppumionmeaspru 9,1889. serai No. 306,582. (Hamam To aZZ whom Vit may concern,.-

Be it known that I, MAX MESTERN, of Turin,

Kingdomof Italy, have invented a new anduseful Improvement in Thermo-Electric Elements, of which the following is a full, true, and exact description, reference being had to the accompanyingdrawing. v

This invention relates toan improved thermo-electric element, designed by the application of heat at che end to generate a consid- .erable current of electricity. By it a high tension can be obtained, while, at the same time, an element is made which is practically indestructible.

In my drawing I have shown two such elements arranged side by side, slightly dierent 1n construction, but working on the same principle. The drawing shows the elements in section. The element A consists of a back portion C generally cylindrical in shape, which consists of an alloy'ot antimony and zinc, as generally used, in the proportion of six parts of antimony to four parts of zinc. The part F is of cast iron. Y An insulating asbestus sleeve H is employed to insulate the part C from the external casing E. This casing is in contact with the asbestus sleeve H' 'and serves to protect the same. It is, of course, not essential for the electrical oper- 3o"ation of the device. As shown inthe element A it slips around the outside of' F. This again isprotectedby the exterior asbestus casing G, which is non-essential but preferable. The zinc cylinder is preferably cast directly within the asbestus and upon the iron, and they may be provided with reentering parts as shown to insu re greater surface contact. The conductor D is likewise cast into both the iron land zinc alloy as Shown. This alternately connects the iron` and zinc of thesuccessive elements when larranged in the battery. This conductor is made of an alloy of nickel known in the trade as nickeline, though nickel itself may be ein? ployed, but is not so advantageous on ac` lcount of its`higher cost. The outside casing able that the upper surface of the block F zinc alloy ,upon it.

The insertion of the body containing nickel I believe tobe important in the generation of electricity. Of course the heat is applied to the Alower asbestus protected end. The elements can vbe arranged in any suitable way. l It is not essential that the entire conductor prefer it as shown. I prefer to have the external protectors Gr inorder to protect the elements from the flame, which is to some extent a conductor. f

It is obvious that the size of the various parts may be varied,-the electric generative parts being princi pally the surfacesin contact.

The 'object of the block F of non-fusible metal is to protect the zinc alloy from fusion. This block should beV of considerable thickness and entirely protect and cover the end of the electricity-generating body.

The form ofl element lettered B is shown simply for the purpose of illustrating another method of combining the casing andthe block.

What I claim as my invention, and desire to secure by Letters Patent, is-

sists; of a block of iron in contact with a blockof an alloy of zinc and antimony, and entirely covering and protecting said alloy and conductors for conveying the generated electricity, substantially as described.-

2. TheV combination of a block of iron in contact with a biock or surface ofan alloy of zinc and antimony, and a body of nickeline of antimony` and zinc L,and forming a conductor conveyingthe electricity generated,

substantially as described.

'3. The combination of an liron blockF and block C in contact with and protected. by block F and 'composed of an alloy of antirnony and zinc, andan insulating body H surrounding the zinc alloy, and suitable electric connections, the whole forming a thermoelectricelement, substantially as described.

4. The combination of a body of metal F,

or nickel compound entering into the alloyV shall be thoroughly clean before casting the D shall be of on'e` piece of metal, thouglrl 1. A thermo-electric element which conv a dissimilar body 0i metal C, protecced by infusble block F and an exterior asbestu protector G, substautially'as describ.

5. The @ombnaton of the iron block F, the zinc alloy block C, in Contact herewih ih@ insulator H, the external casing E and me asbestus protector G, subsantally @Us descibed.

t 1 l a En esamsny Wheeof have signe. my

name 'to this specicauon 1n the presmm@ of two su'bseribng Witness itnesse:

CGUTANT, ANW-@Nv @Rmx MAX B'ESTER'T. 

